First standard developed by Standards Subcommittee of Inst of Traffic Engrs and approved by Am Standards Assn was standard for adjustable face signal heads; author describes development of standard and research which led to agreement on standard colors for lenses of traffic lights.


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    Title :

    Standards for traffic control devices


    Additional title:

    Indus Standardization


    Contributors:

    Published in:

    Industrial Standardization ; 14 , n 4, Part I


    Publication date :

    1943


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    World-wide standards for devices of traffic control

    Hilts, H.E. | Engineering Index Backfile | 1953